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  • Book Overview & Buying Raspberry Pi Projects for Kids (Second Edition)
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Raspberry Pi Projects for Kids (Second Edition)

Raspberry Pi Projects for Kids (Second Edition)

By : Daniel Leonard Bates
4.4 (5)
Buy this Book
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Raspberry Pi Projects for Kids (Second Edition)

Raspberry Pi Projects for Kids (Second Edition)

4.4 (5)
By: Daniel Leonard Bates
Buy this Book

Overview of this book

This book is for kids who wish to develop games and applications using the Raspberry Pi. No prior experience in programming is necessary; you need only a Raspberry Pi and the required peripherals.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Raspberry Pi
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1. Getting Started with Raspberry Pi
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Materials needed
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Preparing the SD card
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Starting up the Raspberry Pi
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Using your Raspberry Pi
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Summary
2
2. Animating with Scratch
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2. Animating with Scratch
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Scratch
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Interactive animation
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Summary
3
3. Making Your Own Angry Birds Game
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3. Making Your Own Angry Birds Game
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Creating a character
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Creating a level
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Moving the character
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Adding physics
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Ending the game
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Scoring
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Extensions
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Summary
4
4. Creating Random Insults
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4. Creating Random Insults
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Python
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The program we're going to use to generate phrases
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Making mischief
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Complete code listing
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Summary
5
5. Testing Your Speed
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5. Testing Your Speed
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Materials needed to make your own controller
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Creating the game controller
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Coding the game
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Complete code listing
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The keyboard version
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What's next?
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Summary
6
6. Making an Interactive Map of your City
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6. Making an Interactive Map of your City
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Hello world!
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Getting a map
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Adding markers
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Adding labels
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Code listing
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Extensions
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Summary
7
7. Building Beats with Sonic Pi
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7. Building Beats with Sonic Pi
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Sonic Pi
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Getting started with Sonic Pi
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Creating a tune
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New sounds
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A real tune
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Code listing
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Summary
8
Index
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Index

Adding markers

The next thing we want to do is add a marker to the map whenever we click on it with the mouse. This can be done in two parts: by detecting the click and reacting to the click.

Detecting mouse clicks

Detecting mouse clicks is very simple. Tkinter does most of the work for us. All we have to do is bind a function to the mouse button. Once the program has entered its main loop, whenever the mouse button creates an event (by being clicked on), the function will be executed. Reacting to an event in this way is similar to using a when key pressed code block in Scratch. Place the following line of code with the rest of the Canvas code before the main loop:

canvas.bind("<Button-1>", canvasclick)

This code says that whenever Button-1 (the left mouse button) is clicked on, run the canvasclick function. We'll write this function next.

We can create these bindings for as many buttons and keys as we like and for any widget that we like. The "<Button-3>" button is the right mouse...

CONTINUE READING
83
Tech Concepts
36
Programming languages
73
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Raspberry Pi Projects for Kids (Second Edition)
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